Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1818/JohnJohnson_ChoiceCollectionVol8-VMP.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4798-JohnJohnson_ChoiceCollectionVol8-VMP.ps) >>/Users/jc/w/tmp/Tune-4798-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1818/JohnJohnson_ChoiceCollectionVol8-VMP.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Find_47982.log 1471 Log file, useful mostly for debugging
Sess-47986.log 413451 Log file, useful mostly for debugging
Tune-4798-JohnJohnson_ChoiceCollectionVol8-VMP.abc 173 ABC music file with the extracted tune(s)
Tune-4798-JohnJohnson_ChoiceCollectionVol8-VMP.ps 6 PostScript
Tune-4798-JohnJohnson_ChoiceCollectionVol8-VMP.txt 173 Plain-text file with the extracted tune(s)
Tune-4798-get.log 4612 Log file, useful mostly for debugging
Tune-47985-IgnatiusSancho_CNS_v1.abc 158 ABC music file with the extracted tune(s)
Tune-47985-IgnatiusSancho_CNS_v1.ps 6 PostScript
Tune-47985-IgnatiusSancho_CNS_v1.txt 158 Plain-text file with the extracted tune(s)
Tune-47985-get.log 4224 Log file, useful mostly for debugging
Tune-47989-Pat_Shaw_Pinewoods.abc 155 ABC music file with the extracted tune(s)
Tune-47989-Pat_Shaw_Pinewoods.pdf 2217 Portable Data Format
Tune-47989-Pat_Shaw_Pinewoods.ps 6 PostScript
Tune-47989-Pat_Shaw_Pinewoods.txt 155 Plain-text file with the extracted tune(s)
Tune-47989-get.log 5116 Log file, useful mostly for debugging
These files should be available for 24 hours.